Ayula, Queen Among Bears, Maskwood Nexus, Animation Module, and Phyrexian Altar

Prerequisites

• Ayula, Queen Among Bears on the battlefield
• Maskwood Nexus on the battlefield
• Animation Module on the battlefield
• Phyrexian Altar on the battlefield
• You have a way to cause a creature to enter the battlefield

Steps

1. Cause a creature to enter the battlefield
2. Ayula triggers, putting two +1/+1 counters on any creature you control
3. Animation Module triggers, causing you to pay to create a 1/1 Servo artifact creature token
4. The Servo enters the battlefield, triggering Ayula
5. Holding priority, activate Phyrexian Altar by sacrificing the Servo, adding one mana of any color
6. Resolve the Ayula trigger, putting two +1/+1 counters on any creature you control
7. Repeat from step 3

Results

• Infinite +1/+1 counters
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers